7:30 p.m. KUSF-FM (90.3): So Da Brasil! Brazilian music and the cultural scene in the Bay Area, with host Jorge Lima.

8 p.m. KQED-FM (88.5): Commonwealth Club. The guest speaker is physicist Amory Lovins, co-founder and chief executive of the Rocky Mountain Institute. Lovins will discuss the necessary steps we need to take to break our national dependence on oil.